Question

The flying of birds is a proof of Newton's:

• A. First law
• B. Second law
• C. Third law of motion
• D. Both second and third law

Answer 1

The correct option is C Third law of motion

When birds fly, they push air with force equal to their own weight.

Air apply reaction of same magnitude on birds, which balances their weight.

Here it is action reaction pair.

So, option C is correct.